You could print out the areas of the help file and mIRC's FAQ, as well as investigate the numerous tutorials around and about. Here are a couple, and use the search feature here, set to All Forums, All Dates, using tutorial as search term, as there have been others mentioned.

http://helpdesk.zaz.net/documents/tutorials.php
http://www.mishscript.de
http://www.ircworks.com/jeepster.htm (jeepz numerics